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Table 3 Stress, anxiety and depression in the whole sample and three clusters

From: Stress, anxiety and depression in clinical nurses in Vietnam: a cross-sectional survey and cluster analysis

Mental disorders Whole sample (n = 600) Cluster Overall Between clustersa
1 (n = 105) 2 (n = 133) 3 (n = 362) 1 to 2 1 to 3 2 to 3
n % n % n % n % χ2 p p p p
Stress 10.5 ± 6.4 19.2 ± 5.9 9.2 ± 5.6 8.4 ± 4.5    < 0.01 < 0.01 0.29
 Normal 489 81.5 28 26.7 120 90.2 341 94.2 227.3 <0.01 <0.01 <0.01 0.024
 Mild 54 9.0 29 27.6 7 5.3 18 5.0
 Moderate 42 7.0 33 31.4 6 4.5 3 0.8
 Severe 12 2.0 12 11.4 0 0.0 0 0.0
 Extremely severe 3 0.5 3 2.9 0 0.0 0 0.0
Anxiety 6.7 ± 5.6 13.9 ± 6.9 5.2 ± 4.5 5.1 ± 3.6    <0.01 <0.01 1.00
 Normal 361 60.2 14 13.3 90 67.7 257 71.0 229.9 <0.01 <0.01 <0.01 0.15
 Mild 80 13.3 8 7.6 17 12.8 55 15.2
 Moderate 117 19.5 47 44.8 22 16.5 48 13.3
 Severe 25 4.2 20 19.0 3 2.3 2 0.6
 Extremely severe 17 2.8 16 15.2 1 0.8 0 0.0
Depression 4.5 ± 4.8 11.4 ± 5.4 3.7 ± 3.8 2.7 ± 2.7    <0.01 <0.01 1.00
 Normal 521 86.8 40 38.1 125 94.0 356 98.3 269.2 <0.01 <0.01 <0.01 <0.01
 Mild 52 8.7 41 39.0 5 3.8 6 1.7
 Moderate 18 3.0 15 14.3 3 2.3 0 0.0
 Severe 8 1.3 8 7.6 0 0.0 0 0.0
 Extremely severe 1 0.2 1 1.0 0 0.0 0 0.0
Number of disorders
 Not any 328 54.7 0 0 84 63.2 244 67.4 365.6 <0.01 <0.01 <0.01 0.02
 1 disorder 159 26.5 18 17.1 37 27.8 104 28.8
 2 disorders 69 11.5 46 43.8 9 6.8 14 3.8
 All 3 disorders 44 7.3 41 39.1 3 2.2 0 0
  1. ap from Chi square test for percentage comparison and Post-hoc ANOVA for mean comparison (two tailed)
  2. Italics: < 0.01, bolditalic: < 0.05